Interactive visualization of multiresolution image stacks in 3D

被引:12
|
作者
Trotts, Issac [1 ]
Mikula, Shawn [1 ]
Jones, Edward G. [1 ]
机构
[1] Univ Calif Davis, Ctr Neurosci, Davis, CA 95618 USA
关键词
D O I
10.1016/j.neuroimage.2007.01.013
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Conventional microscopy, electron microscopy, and imaging techniques such as MRI and PET commonly generate large stacks of images of the sectioned brain. In other domains, such as neurophysiology, variables such as space or time are also varied along a stack axis. Digital image sizes have been progressively increasing and in virtual microscopy, it is now common to work with individual image sizes that are several hundred megapixels and several gigabytes in size. The interactive visualization of these high-resolution, multiresolution images in 2D has been addressed previously [Sullivan, G., and Baker, R., 1994. Efficient quad-tree coding of images and video. IEEE Trans. Image Process. 3 (3), 327-331]. Here, we describe a method for interactive visualization of multiresolution image stacks in 3D. The method, characterized as quad-tree based multiresolution image stack interactive visualization using a texel projection based criterion, relies on accessing and projecting image tiles from multiresolution image stacks in such a way that, from the observer's perspective, image tiles all appear approximately the same size even though they are accessed from different tiers within the images comprising the stack. This method enables efficient navigation of high-resolution image stacks. We implement this method in a program called StackVis, which is a Windows-based, interactive 3D multiresolution image stack visualization system written in C++ and using OpenGL. It is freely available at http://brainmaps.org. (C) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码:1038 / 1043
页数:6
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